In a bid to promote a more polished image, Swiss-banking giant UBS is giving employees a 43-page guide that advises them on how to dress to impress when dealing with clients, in extreme detail. Do: Wear jackets buttoned. Don't: Let underwear be seen.

Swiss bank UBS may not have to turn over the names of 4,450 clients to the IRS after a Swiss court ruled that failing to file an U.S. W-9 isn't tax fraud. But the threat alone may have gotten the IRS a bigger prize: Data from the thousands of delinquent taxpayers who came forward during the recent tax amnesty.